[Qemu-devel] [RFC v2 11/20] pci: INTERFACE_LEGACY_PCI_DEVICE and INTERFACE_PCIE_DEVICE interfaces

[Eduardo Habkost]

Those two interfaces will be used to indicate which device types
support legacy PCI or PCI-express buses.

Signed-off-by: Eduardo Habkost <address@hidden>
---
Changes series v1 -> v2:
* Replacing v1 patch:
  "pci: Introduce INTERFACE_PCIE_DEVICE interface name"
* (new patch added to series)
---
 hw/pci/pci.c         | 12 ++++++++++++
 include/hw/pci/pci.h |  6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 74b8fef..e7e2f26 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -167,6 +167,16 @@ static const TypeInfo pci_bus_info = {
     .class_init = pci_bus_class_init,
 };
 
+static const TypeInfo pcie_interface_info = {
+    .name          = INTERFACE_PCIE_DEVICE,
+    .parent        = TYPE_INTERFACE,
+};
+
+static const TypeInfo legacy_pci_interface_info = {
+    .name          = INTERFACE_LEGACY_PCI_DEVICE,
+    .parent        = TYPE_INTERFACE,
+};
+
 static const TypeInfo pcie_bus_info = {
     .name = TYPE_PCIE_BUS,
     .parent = TYPE_PCI_BUS,
@@ -2627,6 +2637,8 @@ static void pci_register_types(void)
 {
     type_register_static(&pci_bus_info);
     type_register_static(&pcie_bus_info);
+    type_register_static(&legacy_pci_interface_info);
+    type_register_static(&pcie_interface_info);
     type_register_static(&pci_device_type_info);
 }
 
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 772692f..685748b 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -191,6 +191,12 @@ enum {
 #define PCI_DEVICE_GET_CLASS(obj) \
      OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE)
 
+/* Interface implemented by devices that can be plugged on PCIe buses */
+#define INTERFACE_PCIE_DEVICE "pci-express-device"
+
+/* Interface implemented by devices that can be plugged on legacy PCI buses */
+#define INTERFACE_LEGACY_PCI_DEVICE "legacy-pci-device"
+
 typedef struct PCIINTxRoute {
     enum {
         PCI_INTX_ENABLED,
-- 
2.7.4